#include <stdio.h>
int fibonaci(unsigned int i)
{
    if (i == 1)
        return 1;
    else if (i == 2)
        return 1;
    else
        return fibonaci(i - 1) + fibonaci(i - 2);
}
int main()
{
    int a = 5;
    int d = fibonaci(a);
    printf("第%d项为：%d\t\n", a, d);
    return 0;
}
